Official cPanel licenses receive constant patches for new vulnerabilities. Nulled versions are disconnected from official update mirrors, leaving your server open to exploits that legitimate users have already patched. SEO & Reputation Damage: Malware from nulled scripts often injects SEO spam links
If the cost of a retail cPanel license is a barrier, consider these professional alternatives that are either free or more budget-friendly: CyberPanel: cpanel whm v998 fix full nulled